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Energy-saving thermal insulation material for building walls and preparation method thereof

A technology for thermal insulation materials and building walls, which is applied in the direction of solid waste management, sustainable waste treatment, climate sustainability, etc. It can solve problems such as easy decomposition or combustion, small bulk density, and perishability, and achieve the effect of improving the thermal insulation effect

Inactive Publication Date: 2015-11-18
苏州凯欧曼新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such materials have small bulk density, wide sources, and most of them are cheap, but they have high hygroscopicity, are easy to rot after being exposed to moisture, and are easy to decompose or burn at high temperatures.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Step 1: Take rape stalks and cassava straws respectively, grind the above-mentioned straws with a grinder, and grind them until the rape stalks and cassava straws become powders, and then stop; Step 2: Grind the magnesium chloride and calcium fluoride with a grinder, and grind the The crushing time is 8 minutes, and it is ready for use after crushing; step 3: by weight, 15 parts of polystyrene resin, 15 parts of glass wool, 4 parts of crushed rape straw powder, 7 parts of crushed cassava straw powder, and 6 parts of phenolic foam , 8 parts of magnesium chloride powder, 7 parts of polytrifluoroethylene resin, 3 parts of calcium fluoride powder, 9 parts of diatom mud, stirring and mixing at a temperature of 80 ° C for 25 minutes, and the stirring speed is 200 r / min; Step 4: The step 3 The components after uniform mixing are pressurized and molded by a mold forming machine at a temperature of 95° C., a pressurized pressure of 30 MPa, a pressurized time of 2 hours, and coole...

Embodiment 2

[0039] Step 1: Take rape stalks and cassava straws respectively, grind the above-mentioned straws with a grinder, and grind them until the rape stalks and cassava straws become powders, and then stop; Step 2: Grind the magnesium chloride and calcium fluoride with a grinder, and grind the The crushing time is 2 minutes, and it is ready for use after crushing; step 3: by weight, 30 parts of polystyrene resin, 5 parts of glass wool, 10 parts of crushed rape straw powder, 3 parts of crushed cassava straw powder, and 14 parts of phenolic foam , 3 parts of magnesium chloride powder, 4 parts of polychlorotrifluoroethylene resin, 6 parts of calcium fluoride powder, 4 parts of diatom mud, stirred and mixed for 15 minutes at a temperature of 70 ° C, and the stirring speed was 100 r / min; step 4: the step 3. The components mixed evenly are pressurized and molded by a mold forming machine at a temperature of 85° C., a pressurized pressure of 20 MPa, a pressurized time of 4 hours, and cooled...

Embodiment 3

[0041] Step 1: Take rape stalks and cassava straws respectively, grind the above-mentioned straws with a grinder, and grind them until the rape stalks and cassava straws become powders, and then stop; Step 2: Grind the magnesium chloride and calcium fluoride with a grinder, and grind the The crushing time is 8 minutes, and it is ready for use after crushing; step 3: by weight, 26 parts of polystyrene resin, 12 parts of glass wool, 8 parts of crushed rape straw powder, 6 parts of crushed cassava straw powder, and 12 parts of phenolic foam , 4 parts of magnesium chloride powder, 5 parts of polychlorotrifluoroethylene resin, 5 parts of calcium fluoride powder, 6 parts of diatom mud, stirred and mixed for 25 minutes at a temperature of 80 ° C, and the stirring speed was 200 r / min; step 4: the step 3 The components after uniform mixing are pressurized and molded by a mold forming machine at a temperature of 95° C., a pressurized pressure of 30 MPa, a pressurized time of 2 hours, and...

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PUM

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Abstract

The invention discloses an energy-saving thermal insulation material for building walls and a preparation method thereof. The energy-saving thermal insulation material comprises 15-30 parts of polystyrene, 5-15 parts of glass wool, 4-10 parts of rape stalk, 3-7 parts of cassava stalk, 6-14 parts of phenolic foam, 3-8 parts of magnesium chloride, 4-7 parts of poly(chlorotrifluoroethylene), 3-6 parts of calcium fluoride and 4-9 parts of diatom ooze. The preparation method comprises the steps of crushing, stirring for mixing, die forming, cooling and the like. The prepared energy-saving thermal insulation material has the characteristics of high rupture strength, low heat conductivity and high oxygen index.

Description

technical field [0001] The invention belongs to the field of novel composite materials, and relates to an energy-saving heat-preservation material for building walls and a preparation method thereof. Background technique [0002] Building energy-saving materials refer to building materials that maintain low energy consumption in the daily use of buildings, and achieve the purpose of building energy conservation by changing the characteristics of the materials themselves. Energy-saving materials belong to thermal insulation materials; thermal insulation materials refer to materials or material composites used for building envelope or thermal equipment and resisting heat flow transfer, including both thermal insulation materials and cold insulation materials. [0003] Organic energy-saving thermal insulation materials include straw, rice husk, sugarcane fiber, cork kapok, wood chips, shavings, wood fiber and their products. Such materials have small bulk density, wide sources...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/30C04B18/24
CPCY02W30/91
Inventor 费根华
Owner 苏州凯欧曼新材料科技有限公司
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